<html>
<head>
  <title>Page</title>
  <style>
    .container {
      padding: 16px;
      width: 100px;
      height: 100px;
      font-size: 60px;
      background-color: white;
    }
  </style>
  %%CUSTOM_STYLES%%
</head>
<body>
<div class='container'>
  <div class='element-1'>
    <div class='element-2'>
      <div class='element-3-0'></div>
      <div class='element-3-1'></div>
    </div>
  </div>
</div>
</body>
</html>
